import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import router from '@/router'
import { getToken, removeToken } from '@/utils/auth'

// create an axios instance

const service = axios.create({
  baseURL: '/api', // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor  请求拦截
service.interceptors.request.use(
  (config) => {
    console.log(config, 555)
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['Authorization'] = 'Bearer ' + store.getters.token
    }
    return config
    
  },
  (error) => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor  响应拦截
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  (response) => {
    console.log(response, 7)
    const res = response.data

    if (res.success) {
      // Message({
      //   message: res.message || 'Success',
      //   type: 'success',
      //   duration: 5 * 1000,
      // })
      return res
    } else {
      Message({
        message: res.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
      return Promise.reject(new Error(res.message || 'Error'))
    }

    // if the custom code is not 20000, it is judged as an error.
    // if (res.code !== 20000) {
    //   Message({
    //     message: res.message || 'Error',
    //     type: 'success',
    //     duration: 5 * 1000,
    //   })

    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
    //     // to re-login
    //     MessageBox.confirm(
    //       'You have been logged out, you can cancel to stay on this page, or log in again',
    //       'Confirm logout',
    //       {
    //         confirmButtonText: 'Re-Login',
    //         cancelButtonText: 'Cancel',
    //         type: 'warning',
    //       },
    //     ).then(() => {
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     })
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    //   return res
    // }
  },
  (error) => {
    //  根据状态码是否为10002   是10002：表示token失效
    console.dir('err=====' + error.response.data.code) // for debug
    if (error.response.data.code === 10002) {
      // 表示token过期
      /*
      1-实现退出的功能
        1-1 删除cookie
        1-2 删除vuex中的token
        1-3 跳转回登录页面
        1-4 解决bug不显示===实现刷新页面
       */
      removeToken() //  1-1 删除cookie
      store.commit('user/RESET_STATE')
      // this.$router.push() 错误写法
      //  router===this.$router
      router.push('/login')
      window.location.reload() //  实现刷新
    }
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
